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 *notice, this list of conditions and the following disclaimer in the
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/*! \file
    \brief
*/

#pragma once

#include "cutlass/cutlass.h"
#include "cutlass/fast_math.h"
#include "cutlass/gemm/gemm.h"
#include "cutlass/matrix_coord.h"
#include "cutlass/complex.h"
#include "cutlass/semaphore.h"
#include "cutlass/transform/threadblock/predicated_tile_iterator.h"
#include "cutlass/epilogue/threadblock/predicated_tile_iterator_params.h"
#include "cutlass/transform/threadblock/predicated_tile_access_iterator_params.h"

#include "cutlass/trace.h"

/////////////////////////////////////////////////////////////////////////////////////////////////

namespace cutlass {
namespace gemm {
namespace kernel {

/////////////////////////////////////////////////////////////////////////////////////////////////

struct GemmParams {
    //
    // Type definitions
    //
    using Index = int32_t;
    using LongIndex = int64_t;

    using MmaIteratorParams = typename cutlass::transform::threadblock::
            PredicatedTileAccessIteratorParams;
    using EpilogueIteratorParams = typename cutlass::epilogue::threadblock::
            PredicatedTileIteratorParams;

    //
    // Data members
    //

    cutlass::gemm::GemmCoord problem_size;
    cutlass::gemm::GemmCoord grid_tiled_shape;
    int swizzle_log_tile;

    // Data members for Mma::Iterator::Params
    MmaIteratorParams params_itr_a;
    MmaIteratorParams params_itr_b;

    // Data member for Epilogue::OutputTileIterator::Params
    EpilogueIteratorParams params_itr_c;
    EpilogueIteratorParams params_itr_d;

    GemmUniversalMode mode;
    int batch_count;
    int gemm_k_size;

    void* ptr_A;
    void* ptr_B;
    void* ptr_C;
    void* ptr_D;

    LongIndex lda;
    LongIndex ldb;
    LongIndex ldc;
    LongIndex ldd;

    LongIndex batch_stride_A;
    LongIndex batch_stride_B;
    LongIndex batch_stride_C;
    LongIndex batch_stride_D;

    int* semaphore;

    //
    // Methods
    //

    CUTLASS_HOST_DEVICE
    GemmParams() {}

    CUTLASS_HOST_DEVICE
    GemmParams(cutlass::gemm::GemmCoord problem_size_,
               cutlass::gemm::GemmCoord grid_tiled_shape_,
               int swizzle_log_tile_, GemmUniversalMode mode_, int batch_count_,
               int gemm_k_size_, void const* ptr_A_, void const* ptr_B_,
               void const* ptr_C_, void* ptr_D_, LongIndex lda_, LongIndex ldb_,
               LongIndex ldc_, LongIndex ldd_, int64_t batch_stride_A_,
               int64_t batch_stride_B_, int64_t batch_stride_C_,
               int64_t batch_stride_D_, MmaIteratorParams const& params_itr_a_,
               MmaIteratorParams const& params_itr_b_,
               EpilogueIteratorParams const& params_itr_c_,
               EpilogueIteratorParams const& params_itr_d_,
               void* workspace_ = nullptr)
            : problem_size(problem_size_),
              grid_tiled_shape(grid_tiled_shape_),
              swizzle_log_tile(swizzle_log_tile_),
              mode(mode_),
              batch_count(batch_count_),
              gemm_k_size(gemm_k_size_),
              ptr_A(const_cast<void*>(ptr_A_)),
              ptr_B(const_cast<void*>(ptr_B_)),
              ptr_C(const_cast<void*>(ptr_C_)),
              ptr_D(ptr_D_),
              lda(lda_),
              ldb(ldb_),
              ldc(ldc_),
              ldd(ldd_),
              batch_stride_A(batch_stride_A_),
              batch_stride_B(batch_stride_B_),
              batch_stride_C(batch_stride_C_),
              batch_stride_D(batch_stride_D_),
              params_itr_a(params_itr_a_),
              params_itr_b(params_itr_b_),
              params_itr_c(params_itr_c_),
              params_itr_d(params_itr_d_),
              semaphore(static_cast<int*>(workspace_)) {}

    CUTLASS_HOST_DEVICE
    void update(void const* ptr_A_, void const* ptr_B_, void const* ptr_C_,
                void* ptr_D_, int64_t batch_stride_A_, int64_t batch_stride_B_,
                int64_t batch_stride_C_, int64_t batch_stride_D_,
                void* workspace_ = nullptr) {
        ptr_A = const_cast<void*>(ptr_A_);
        ptr_B = const_cast<void*>(ptr_B_);
        ptr_C = const_cast<void*>(ptr_C_);
        ptr_D = ptr_D_;

        batch_stride_A = batch_stride_A_;
        batch_stride_B = batch_stride_B_;
        batch_stride_C = batch_stride_C_;
        batch_stride_D = batch_stride_D_;

        semaphore = static_cast<int*>(workspace_);
        CUTLASS_TRACE_HOST("GemmParams::update()");
    }
};

/////////////////////////////////////////////////////////////////////////////////////////////////

}  // namespace kernel
}  // namespace gemm
}  // namespace cutlass

/////////////////////////////////////////////////////////////////////////////////////////////////
